Prostaglandin F2-alpha(PGF-2 alpha) is a stable prostaglandin that stimulates the contraction of uterine and bronchial smooth muscle and produces vasoconstriction (tightening) in some blood vessels. As a pharmaceutical, the generic name of PGF-2 alpha is dinoprost.
  The most common compound on Earth is water. It's formula is H2O, meaning that in one water molecule, there are two hydrogen (H) atoms and one oxygen (O) atom.  Anoth â¦ er common compound is sodium chloride, which most people know as table salt.ydrogen is the most common atom in the universe, and oxygen is the thrid â¦ most common, so water has to be the number one compound.
The acronym CHNOPS is formed from the chemical abbreviations of the six most common elements found in living organisms. These elements are carbon, hydrogen, nitrogen, oxygen, phosphorus, and sulfur. The CHNOPS elements come together to form biomolecules, the molecules found in all of the living organisms on earth. Carbon provides the structural framework for biomolecules.